Web28 de mar. de 2002 · Also, where heat detectors are used to shut down elevator power prior to sprinkler operation, the detector should have both a lower temperature rating and a higher sensitivity, as compared to the sprinkler. This is accomplished by using a heat detector rated at 135 degrees F and a sprinkler head rated at the standard 165 degrees … Web19 de mar. de 2015 · Is a Heat Detector Required for the Elevator Pit #1) The most economical method is to use a waterflow switch. Upon activation, the waterflow …

Is a Heat Detector Required for the Elevator Pit Fire Alarms …

Web19 de jul. de 2024 · Heat detectors can be required for elevator pits, whenever a sprinkler is located within the elevator pit (NFPA 72-2016 Section 21.3.7). There are exemptions … Web30 de abr. de 1998 · This code calls for smoke and heat detectors as well as sprinkler heads to be installed in elevator shafts. Ideally, if there is a fire, it will trip the smoke … custom audio visual bluffton

Heat detectors in elevator shafts The Building Code Forum

Webelevator(s) for FEO. Heat Detector and Power-Shutdown (Shunt Trip Mechanism): • Heat detector(s) in the machine room shall activate first to prevent sprinkler head activation. • Hoistway Heat detector(s) are only required when sprinkler system water would damage elevator related equipment enough to make the elevator unsafe to use. Web14 de oct. de 2024 · The heat detector needs to have both a lower temperature rating and a higher sensitivity than the sprinkler. The design goal is to ensure that power is interrupted to the elevator prior to sprinkler discharge. The smoke detector in an elevator pit plays … Web20 de dic. de 2016 · The smoke detector will recall the elevator to the first floor and the heat detector will activate the shunt trip as stated above. Note that a time delay must be in place to allow the elevator to travel from the … marianne hollez